custom_mc_advancements/data/disabled/war_never_changes.json

{
    "display": {
        "icon": {
            "item": "minecraft:tnt"
        },
        "title": "War, war never changes.",
        "description": "Obtain a stack of tnt...  <.<",
        "frame": "task",
        "announce_to_chat": true
    },
    "parent": "canopy:root",
    "criteria": {
        "get_boom_booms": {
            "trigger": "minecraft:inventory_changed",
            "conditions": {
                "items": [{
                    "item": "minecraft:tnt",
                    "count": 64
                }]
            }
        }
    }
}